| Used Operating Systems |
| 1 | 2572 | 30.30 | 2068 | 52.21 | +http://www.baidu.com/search/spider.html |
| 2 | 1819 | 21.43 | 723 | 18.25 | Windows NT |
| 3 | 1407 | 16.58 | 461 | 11.64 | +http://www.bing.com/bingbot.htm |
| 4 | 882 | 10.39 | 352 | 8.89 | +http://www.google.com/bot.html |
| 5 | 707 | 8.33 | 60 | 1.51 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 211 | 2.49 | 71 | 1.79 | +http://yandex.com/bots |
| 7 | 137 | 1.61 | 23 | 0.58 | +http://ahrefs.com/robot/ |
| 8 | 116 | 1.37 | 36 | 0.91 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 99 | 1.17 | 33 | 0.83 | Windows XP |
| 10 | 68 | 0.80 | 19 | 0.48 | +http://www.exabot.com/go/robot |
| 11 | 52 | 0.61 | 30 | 0.76 | http://www.bing.com/bingbot.htm |
| 12 | 48 | 0.57 | 4 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 13 | 44 | 0.52 | 10 | 0.25 | Windows 98 |
| 14 | 32 | 0.38 | 3 | 0.08 | +http://www.semrush.com/bot.html |
| 15 | 32 | 0.38 | 2 | 0.05 | +http://fulltext.sblog.cz/ |
| 16 | 31 | 0.37 | 13 | 0.33 | Windows 95 |
| 17 | 28 | 0.33 | 2 | 0.05 | +http://www.warebay.com/bot.html |
| 18 | 26 | 0.31 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 19 | 24 | 0.28 | 8 | 0.20 | Windows ME |
| 20 | 20 | 0.24 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 21 | 16 | 0.19 | 1 | 0.03 | +https://www.aihitdata.com/about |
| 22 | 14 | 0.16 | 5 | 0.13 | Windows 3.1 |
| 23 | 14 | 0.16 | 2 | 0.05 | +; |
| 24 | 12 | 0.14 | 3 | 0.08 | Windows 2000 |
| 25 | 11 | 0.13 | 1 | 0.03 | +http://megaindex.com/crawler |
| 26 | 10 | 0.12 | 2 | 0.05 | J2ME/MIDP |
| 27 | 10 | 0.12 | 5 | 0.13 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 9 | 0.11 | 3 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 29 | 6 | 0.07 | 2 | 0.05 | Windows CE |
| 30 | 6 | 0.07 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 31 | 5 | 0.06 | 1 | 0.03 | +http://www.profound.net/domainappender |
| 32 | 4 | 0.05 | 2 | 0.05 | +https://www.mojeek.com/bot.html |
| 33 | 4 | 0.05 | 2 | 0.05 | http://www.botje.com/plukkie.htm |
| 34 | 3 | 0.04 | 3 | 0.08 | Windows Phone OS 7.5 |
| 35 | 2 | 0.02 | 1 | 0.03 | +info@netcraft.com |
| 36 | 2 | 0.02 | 1 | 0.03 | +http://duckduckgo.com |
| 37 | 1 | 0.01 | 1 | 0.03 | Auto; Windows |
| 38 | 1 | 0.01 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 39 | 1 | 0.01 | 1 | 0.03 | Macintosh |
| 40 | 1 | 0.01 | 1 | 0.03 | Windows Phone OS 7.0; Trident/3.1; IEMob... |
| 41 | 1 | 0.01 | 1 | 0.03 | X11 |
